[Coco] 512K factory sealed CoCo3

[rietveld rietveld]

I bought the pre populated board and had my local(welland) ‎RS store do the upgrade.  I was too young to have a credit card and I don't think my parents were a fan of mail order so they paid for the RS upgrade even though the third party stuff was cheaper and probably better


Sent from my BlackBerry 10 smartphone.
  Original Message
From: Mike Delyea
Sent: Tuesday, June 18, 2019 4:41 PM
To: CoCoList for Color Computer Enthusiasts
Reply To: CoCoList for Color Computer Enthusiasts
Subject: Re: [Coco] 512K factory sealed CoCo3


I bought one of the Radio Shack upgrade boards back in the day (minus the
memory chips).  I bought the chips from some other guy and did the upgrade
myself.  I was quite proud of myself.

On Tue, Jun 18, 2019 at 3:16 PM rietveld rietveld <rietveldh at hotmail.com>
wrote:

> Dealer installed. I have one also. The local RS would do the upgrade if u
> paid then put a new 'void if removed' sticker on it.
> The RS mem upgrade is cool. It is the only one that has the chips sitting
> right side down with a big shield
>
> Sent from my BlackBerry 10 smartphone.
>   Original Message
> From: David Gettle
> Sent: Tuesday, June 18, 2019 3:12 PM
> To: CoCoList for Color Computer Enthusiasts
> Reply To: CoCoList for Color Computer Enthusiasts
> Subject: [Coco] 512K factory sealed CoCo3
>
>
> I have in my posession a 512k CoCo3, that is factory sealed with the
> "Breaking this seal will void factory warranty" tape over one screw holding
> the case together. It came to me in a regular white w/blue print CoCo3 box
> labeled as a 128k machine. However the Tandy 512k board is clearly visible
> through the vents in the top of the case. The machine does boot and a
> memory check does reveal that it does have 512K installed. I do not know if
> the unit was upgraded by Radioshack at a service center or if it was done
> before the unit shipped to a store. other than the obviousness of the 512k
> board being in the machine there is no other evidence that the unit was
> ever taken apart.The CPU is not in a chip socket. At this time I am
> planning to keep it as a backup machine in the event that the 2mb CoCo3 I
> am now using should develop problems. I think based on the serial number
> that it is a fairly early CoCo3, I'll post the serial number later.
>
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